How to use a clinometer

How to use a clinometer
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Storyboard Description

Term 3 Maths Assessment Task

Storyboard Text

  • Wondering how to measure a tree using a Clinometer? Wow? Did you actually say yes? That's kind of sad, but I got you covered.
  • Assuming that you know your own height and have an appropriate measuring tool preferably measuring tape, the process is actually quite simple. 
  • One of the most quintessential steps to finding the missing side of an object using a clinometer is to ensure that you are standing at a designated distance. In this instance I'm standing away from the tree at a distance of 26 meters
  • Now, using your clinometer and a friend you should be able to find the angle of elevation which in this case is 35 degrees. The string attached will sort of hover over the nearest angle.
  • Now, the easy part. With the trusty aid of a calculator all you have to do is plug in the "Tan" formula with the  measurements you got to get a length for the missing side. Which in my case would be 26 multiplied by tan 35.
  • The answer I got was rounded to decimal places and is 18.2. Now all I have to do is add my eight which is 1.8 metres and Boom. the missing side works out to be 20 metres.
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